"Košťanský" meaning in Czech

{
  "forms": [
    {
      "form": "Košťanská",
      "tags": [
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-an",
        "f": "Košťanská"
      },
      "expansion": "Košťanský m anim (feminine Košťanská)",
      "name": "cs-proper noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "Czech male surnames",
          "parents": [
            "Male surnames",
            "Surnames",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech surnames",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a male surname"
      ],
      "id": "en-Košťanský-cs-name-IRlLAcDj",
      "links": [
        [
          "surname",
          "surname"
        ]
      ],
      "tags": [
        "animate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkoʃcanskiː]"
    }
  ],
  "word": "Košťanský"
}

{
  "forms": [
    {
      "form": "Košťanská",
      "tags": [
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m-an",
        "f": "Košťanská"
      },
      "expansion": "Košťanský m anim (feminine Košťanská)",
      "name": "cs-proper noun"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Czech animate nouns",
        "Czech entries with incorrect language header",
        "Czech lemmas",
        "Czech male surnames",
        "Czech masculine nouns",
        "Czech proper nouns",
        "Czech surnames",
        "Czech terms with IPA pronunciation"
      ],
      "glosses": [
        "a male surname"
      ],
      "links": [
        [
          "surname",
          "surname"
        ]
      ],
      "tags": [
        "animate",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈkoʃcanskiː]"
    }
  ],
  "word": "Košťanský"
}